Mass air flow sensors fail most often in cars but a $20 air filter replacement every 12,000 miles prevents the $250-400 repair bills most drivers face.

Avoid costly mechanic scams like $150 air filter markups while addressing serious coolant leaks that cause $7,000 engine ...

A $20 PCV valve failure can cause catastrophic engine damage costing thousands, but simple preventive maintenance every 60,000 miles protects your car.

Learn how to fix TPMS issues and alleviate the headache to prevent comebacks, misdiagnoses, and sensor problems in your shop.